NIST is developing methods for measuring greenhouse gas emissions based on atmospheric observations taken from surface stations, aircraft, and satellites. This illustration shows the city of Boston, part of the Northeast Corridor urban test bed for greenh
![NIST is developing methods for measuring greenhouse gas emissions based on atmospheric observations taken from surface stations, aircraft, and satellites. This illustration shows the city of Boston, part of the Northeast Corridor urban test bed for greenh NIST is developing methods for measuring greenhouse gas emissions based on atmospheric observations taken from surface stations, aircraft, and satellites. This illustration shows the city of Boston, part of the Northeast Corridor urban test bed for greenh](../../sites/commerce.gov/files/styles/scale_700w/public/media/images/2016/nistgreenhousegasstory.jpg)